The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 11 |
| 2 | -368 |
| 3 | -17955 |
| 4 | -241408 |
| 5 | -1704293 |
| 6 | -7091712 |
| 7 | -4521799 |
| 8 | 295763968 |
| 9 | 4772359863 |
| 10 | 60917364224 |
| 11 | 740650422997 |
| 12 | 8910940667904 |
| 13 | 106982600879699 |
| 14 | 1283897803502080 |
| 15 | 15406983131226993 |
| 16 | 184884190175559680 |
[1,11,-368,-17955,-241408,-1704293,-7091712, -4521799,295763968,4772359863,60917364224, 740650422997,8910940667904,106982600879699, 1283897803502080,15406983131226993, 184884190175559680] |